Dear Team,

 

            I have created libpng using x86_64-w64-mingw32-gcc  compiler and
I created a wrapper static library for that libpng using visual c++  for 64
bit windows 7 platform . while I try to run that library I got the following
error's

 

"error LNK2019: unresolved external symbol mingw_getsp referenced in
function read_png"

"error LNK2001: unresolved external symbol mingw_getsp"

"error LNK2001: unresolved external symbol mingw_getsp"

"error LNK2019: unresolved external symbol  __strtod referenced in function
png_handle_sCAL"

 

LSpng.lib(pngreadwrite.o) : error LNK2001: unresolved external symbol
mingw_getsp referenced in function read_png

LSpng.lib(pngread.o) : error LNK2001: unresolved external symbol mingw_getsp

LSpng.lib(pngread.o) : error LNK2001: unresolved external symbol mingw_getsp

LSpng.lib(pngrutil.o) : error LNK2019: unresolved external symbol  __strtod
referenced in function png_handle_sCAL

 

I did same thing using mingw32 for 32 bit windows machine. It was compiled
and worked properly

 

How can I resolve this problem can anyone help me please.

 

 

Thanks & Regards,

 Siva

 


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